Alert archive / Indiana / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 113, NWS Indianapolis, IN

July 6, 2004Tippecanoe County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 6, 2004, 8:36 PM EST for Tippecanoe County, Indiana. It was in force for 24 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 6, 2004, 8:36 PM EST (01:36 UTC)
Expired: Jul 6, 2004, 9:00 PM EST
In force: 24 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Tippecanoe County, IN

The radar

The Indianapolis radar (KIND), 91 km from the middle of the area, began a volume at 01:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jul 6, 8:36 PM EST	TSTM WND DMG	1 W West Lafayette, IN	COUNTY SHERIFF REPORTS LARGE TREE LIMB DOWN ON POWER LINES AND A CAR AT THE LINDBERG ROAD AND MCCORMICK ROAD INTERSECTION.
Jul 6, 8:43 PM EST	TSTM WND DMG	West Lafayette, IN	COUNTY SHERIFF REPORTS TREES DOWN ON NORTH GRANT STREET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 6, 3:25 PM EST	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 152 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 259 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1243 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KIND 070136
SVRIND
INC157-070200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
836 PM EST TUE JUL 6 2004

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN TIPPECANOE COUNTY IN WEST CENTRAL INDIANA
  THIS INCLUDES THE CITY OF LAFAYETTE

* UNTIL 900 PM EST

* AT 833 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR LAFAYETTE...OR ABOUT 2
  MILES SOUTHWEST OF LAFAYETTE...AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL EASTERN TIPPECANOE COUNTY AROUND 850 PM EST

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 4030 8671 4030 8696 4030 8696 4047 8696
      4047 8692 4048 8691 4048 8674 4050 8671

$$

JAS

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 6, 8:56 PM EST	Severe Thunderstorm Warning	IND	Carroll, Clinton	49 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2004 Every severe thunderstorm warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.